Below is a list of the main technical standards and industry guidelines that govern the management of electrical equipment and insulating oils.

• IEC 60296 Ed. 4, 2012
  Unused mineral insulating oils for Transformers and Switchgears
  Reference standard for new mineral insulating oils

• IEC 62697-1, 2012
  Test method for quantitative establishment of corrosive sulfur compounds in unused insulating liquids
  Method for the quantitative establishment of corrosive sulfur compounds in insulating liquids

• IEC 60422 Ed. 4, 2013
  Mineral insulating oils in electrical equipment – Supervision and maintenance guidance
  Reference standard for oils in service (in electrical equipment)

• IEC 60599 ed. 2, 1999
  Mineral oil-impregnated electrical equipment in service - Guide to the interpretation of dissolved and free gases analysis
  

• CENELEC CLC/TR 50503, 2010
  Guidelines for Inventory, Control, Management, Decontamination and/or Disposal of Electrical Equipment and Insulating Liquids containing PCBs
  

• CIGRE – Brochure 378, 2009
  Guidelines - Copper Sulphides in transformer insulation
  Guidelines for the management of the problem of corrosive sulfur

• CIGRE - Brochure No. 413, 2010
  Insulating Oil Regeneration and Dehalogenation - PCBs
  Technical brochure giving details of decontamination/dehalogenation techniques for oils contaminated with PCBs